Fix version processor bug.

Fixes https://github.com/cbeust/kobalt/issues/297

The problem was that when determining the dependencies of a project from the projects it depends on, the current project was included in that collection.

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/maven/DependencyManager2.kt

@@ -168,7 +168,7 @@ class DependencyManager2 @Inject constructor(val aether: KobaltAether) {
                 result.add(FileDependency(classDir))
             }
         }
-        transitiveProjects.forEach { p ->
+        transitiveProjects.filter { it.name != project?.name }.forEach { p ->
             maybeAddClassDir(KFiles.joinDir(p.directory, p.classesDir(context)))
             maybeAddClassDir(KFiles.makeOutputTestDir(p).path)
         }